solve this

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440

2

cos1/6π

Guest Nov 23, 2015

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Best Answer

+130555

+10

cos (1/6)pi = cos 30° = sqrt (3) / 2

CPhill Nov 23, 2015

2⁺⁰ Answers

+130555

+10

Best Answer

cos (1/6)pi = cos 30° = sqrt (3) / 2

CPhill Nov 23, 2015

0

How can I know that cos(1/6)pi = cos30 ?

Guest Nov 24, 2015

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